Finding the Fourth Proportional to 248,413.58, 372,506.16 and 79,902.80
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Solution
The fourth proportional to 248,413.58, 372,506.16 and 79,902.80 is: 119,817.46
Step by Step Solution
- Step 1: Write the proportion equation
248,413.58 : 372,506.16 = 79,902.80 : x - Step 2: Convert to fraction form
248,413.58/372,506.16 = 79,902.80/x - Step 3: Cross multiply
248,413.58x = 372,506.16 × 79,902.80 - Step 4: Simplify right side
248,413.58x = 29,764,285,201.25 - Step 5: Solve for x
x = 29,764,285,201.25/248,413.58 - Step 6: Final answer
x = 119,817.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.